botassembly.pho botpaste.pho bottommask.pho CC2420_w_PA.pdf CC2420_w_PA.XLS copper1.pho copper2.pho copper3.pho copper4.pho fabrication.pho ncdrill.drl ncdrill.lst ncdrill.rep readme_CC2420_w_PA.txt topassembly.pho topmask.pho toppaste.pho